sshexec

#!/bin/bash

usage() {
  cat <<EOS >&2
  Usage:
    `basename $0` [-p npasswords] [-u username] hostsfile command

  Options:

    -p npasswords number of passwords to try (5 top)
    -u username   username to pass to ssh

  Arguments:

    hostsfile     file name holding a list of servers to connect to.
                  Use - for standard input
    command       command to execute
EOS
  exit 1
}

while getopts :p:u: opt; do
  case $opt in
  p) npasswords=$OPTARG
     [ $npasswords -lt 1 -o $npasswords -gt 5 ] && usage;;
  u) useropt="-l $OPTARG";;
  ?) usage;;
  esac
done

shift `expr $OPTIND - 1`

[ $# -lt 2 ] && usage

[ -z "$npasswords" ] && npasswords=1
input=$1; shift
cmd=$@
[ -z "$input" ] && input=-

. ./feedpass.inc

n=1
while [ $n -le $npasswords ]; do
  read -s -p "Password[$n]: " password$n < /dev/tty; echo > /dev/tty
  n=`expr $n + 1`
done

for host in `grep -v '^#' $input | grep -v '^[[:space:]]*$'`; do
  cmd="ssh $useropt $host {$@}"
  n=1
  while [ $n -le $npasswords ]; do
    password=`eval echo \\$password$n`
    feedpass "$cmd" "$password"
    [ $? -eq 0 ] && break
    n=`expr $n + 1`
  done
done